{%- set id = id ?? "lightswitch#{random()}" %}
{%- set on = on ?? false %}
{%- set indeterminate = not on and (indeterminate ?? false) %}
{%- set value = value ?? '1' %}
{%- set indeterminateValue = indeterminateValue ?? '-' %}
{%- set small = small ?? false %}
{%- set toggle = toggle ?? null %}
{%- set reverseToggle = reverseToggle ?? null %}
{%- set disabled = (disabled ?? false) ? true : false %}
{%- set onLabel = onLabel ?? label ?? false %}
{%- set offLabel = offLabel ?? false %}
{%- set hasOnLabel = onLabel is not same as(false) %}
{%- set hasOffLabel = offLabel is not same as(false) %}
{%- set hasLabels = hasOnLabel or hasOffLabel %}
{%- set descriptionId = descriptionId ?? "#{id}-desc" %}

{%- set containerAttributes = {
    id: id,
    class: [
        'lightswitch',
        on ? 'on' : null,
        hasLabels ? 'has-labels' : null,
        indeterminate ? 'indeterminate' : null,
        small ? 'small' : null,
        toggle or reverseToggle ? 'fieldtoggle' : null,
        disabled ? 'disabled' : null,
    ]|filter,
    data: {
        'value': value != '1' ? value : false,
        'indeterminate-value': indeterminateValue != '-' ? indeterminateValue : false,
        'target': toggle ?: false,
        'reverse-target': reverseToggle ?: false,
    },
    type: 'button',
    role: 'checkbox',
    aria: {
        checked: on ? 'true' : (indeterminate ? 'mixed' : 'false'),
        labelledby: labelId ?? null,
        describedby: hasLabels ? descriptionId : null,
    },
}|merge(containerAttributes ?? [], recursive=true) %}

{%- if block('attr') is defined %}
    {%- set containerAttributes = containerAttributes|merge(('<div ' ~ block('attr') ~ '>')|parseAttr, recursive=true) %}
{% endif %}

{% set input %}
    <button {{ attr(containerAttributes) }}>
        <div class="lightswitch-container">
            <div class="handle"></div>
        </div>
        {% if name is defined -%}
            {{ hiddenInput(name, on ? value : (indeterminate ? indeterminateValue : ''), {disabled: disabled}) }}
        {%- endif %}
    </button>
{% endset %}

{% if hasLabels -%}
    <div class="lightswitch-outer-container">
        {% if hasLabels %}
            {{ tag('span', {
                id: descriptionId,
                class: 'visually-hidden',
                text: [
                    onLabel ? 'Check for {onLabel}.'|t('app', {onLabel: onLabel}),
                    offLabel ? 'Uncheck for {offLabel}.'|t('app', {offLabel: offLabel}),
                ]|filter|join(' '),
            }) }}
        {% endif %}
        <div class="lightswitch-inner-container">
            {% if hasOffLabel %}
                <span data-toggle="off" aria-hidden="true">{{ offLabel }}</span>
            {% endif %}
            {{ input }}
            {% if hasOnLabel %}
                <span data-toggle="on" aria-hidden="true">{{ onLabel }}</span>
            {% endif %}
        </div>
    </div>
{% else %}
    {{ input }}
{%- endif %}
